According to an​ airline, flights on a certain route are on time 85​% of the time. Suppose 17 flights are randomly selected and the number of​ on-time flights is recorded. Answer the following. Show all work as demonstrated in​ lecture, showing what you input into your calculator to attain results.   ​(a) Find the probability that exactly 12 flights are on time. ​(b) Find the probability that fewer than 12 flights are on time. ​(c) Find the probability that at least 12 flights are on time. ​(d) Find the probability that between 10 and 12 ​flights, inclusive, are on time.

Q: How are your grades? In a recent semester at a local university, 400 students enrolled in both…

A: given data  n(total) = 400 n(A in statistics) = 90 n(A in psychology) = 68 n(A in both) = 31

Q: In the history of film and television, accidents have occurred, such as deaths of actors or crews…

A:

Q: Consider the variable Joe’s weight next Friday. What is the probability he weighs 170 pounds, the…

A: Uniform distribution is the type of continuous probability distribution. It is a type of simplest…

Q: c. You play card game and select two cards from 52 - card deck without replacement. Probability that…

A: The information provided in the question are as follows :-Two cards are to be selected from a deck…

Q: Jeremy sells a magazine which is produced in order to raise money for homeless people. The…

A: Given:n = number of trials =20 (since Jeremy approaches 20 people)p = probability of success on each…

Q: A baseball player has a batting average of 0.36. What is the probability that he has exactly 4 hits…

A: Given that Number of trials n=7 Success of probability p=0.36 X~bin(n,p)

Q: In a large population, 52 % of the people have been vaccinated. If 5 people are randomly selected,…

A: Let p be the proportion of vaccinated people. Given that p = 0.52 Let X denotes the number of…

Q: A pharmacist receives a shipment of 2121 bottles of a drug and has 44 of the bottles tested. If 66…

A: From the provided information, A pharmacist receives a shipment of 21 bottles of a drug and has 4 of…

Q: Suppose that 38% of people own dogs. If you pick two people at random, what is the probability that…

A: Given that, Probability, p = 38% = 0.38 Sample size = 2

Q: Studies show that seven percent of adults live to age of 110. You randomly select five adults. Find…

A: Obtain the probability that at least two of them will live until age of 110. The probability that at…

Q: The probability that a student owns a car is 0.7. The probability that a student owns a computer is…

A: Given: Probability of student owns a car, P(A)=0.7 Probability of student owns a computer, P(B)=0.67…

Q: The Clippers basketball team are predicted to win 90% of their games during the playoffs.  If this…

A: From the given information, n=3 p=0.90 Using binomial distribution, the required probabilities will…

Q: Alexandra and Martha take a math exam. The probability of passing this exam for Alexandra and…

A: Let A be the event for Alexendra take math exam B be the event for Martha take a math exam.  Given…

Q: Poppy and her teammates are each chewing a piece of tropical flavoured gum before their championship…

A:

Q: A football player is trying to achieve a goal from a series of penalty kicks. If his scoring…

A: let  p be the probability that he score a goal q be the probability that he not score a goal p=0.8,…

Q: A newspaper report states that the probability of snow is .3. After calling the airport you are told…

A: As given, the probability of snow is 0.3, That is, P(snow) = 0.3 Therefore , P( not snow) = 1- P(…

Q: Tyee recorded the grade-level and instrument of everyone in the middle school School of Rock below.…

A: First, we need to find the total number of seventh grade students. We do this by adding up the…

Q: survey found that 75% of women in a given city enjoy shopping online. Suppose you randomly selected…

A:

Q: In a very large industrial company, the average number of fatal accidents per month is 0.3. Find the…

A:

Q: According to a study, airline fatalities occur at the rate of 3.05 fatal accidents per 100 millions…

A: Let X be the number fatal accident Let rate =λ X~Pois(λ=3.05)

Q: Determine whether each of the following statements is true or false, and explain why.A die is thrown…

A: When two dices are rolled, Total number of outcomes = 36Outcomes are = (1 ,1)(1, 2)(1, 3)(1, 4)(1,…

Q: You roll a die five times. What is the probability that you will see a string of three or more…

A: Given data: *The die is rolled 5 times, n=5. The probability of getting one (success) when a one die…

Q: Researchers are concerned about the rise in drinking behaviors among adolescents aged 13- 17 in a…

A: From the provided information, The research team estimates the prevalence of such behaviors is 17%…

Q: Based on Julie's Semester 1 Mathematics 1 Quiz scores, the probability that Julie obtains a perfect…

A: Given data P(perfect score) =p = 0.7no. of trials (n) = 6X = no. of quiz julie obtains perfect score

Q: Suppose that 42% of people are on low calorie diet. If you pick three people at random, what is the…

A:

Q: Joe decided to spend his day fishing. He knows that the probability that a single cast will be a…

A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: An insurance company offers a $50,000 life insurance policy to people age 30 for $200. The offer the…

A: The question is about is expected value Given : Amount of insurance policy = $50,000 Amount to pay…

Q: The​ (hypothetical) table below shows the relationship between the number of hours students work at​…

A: Answer:- From the above information,  Number of students who graduates in over 6​ years and works…

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.